High Scalability

APRIL 7, 2021

Join your peers for this virtual experience on April 27 from 9am - 3:30pm PDT. We believe the only way to maintain and scale our standards is to focus on quality code. In addition to other content written by seasoned industry experts, this path includes core material from our bestselling course Grokking the System Design Interview.

Education 100

Education DevOps Scalability Infrastructure 100

Percona

JUNE 20, 2023

In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. Here, memory is divided into equal sizes of partitions where the code of a program resides. A detailed description of these concepts is below.

Programming 83

Programming C++ Database Virtualization 83

HammerDB

JUNE 22, 2023

Turning Jobs Off and On Of course one of the most important aspects is to be able to disable the functionality. Copy Code Copied Use a different Browser hammerdb>jobs disable 1 Disabling jobs repository, restart HammerDB to take effect and in the GUI use the Jobs Disabled/Enabled option. In HammerDB v4.7 DATA/hammer.db TMP/hammer.DB

Benchmarking 57

Benchmarking C++ Virtualization Database 57

Particular Software

MARCH 28, 2022

You can create a class that is a lousy saga but is still perfectly valid C# code. With Roslyn analyzers and code fixes , we can now do a lot better and help guide you toward the pit of success. This will save you time, as you won’t have to run your code to find out that you can’t use DateTime as a correlation property type.

Development 52

Development C++ Virtualization Metrics 52

The Morning Paper

MAY 27, 2019

The basic question here is whether it is practical to support a large-scale C-language software stack with strong pointer-based protection… with only modest changes to existing C code-bases and with reasonable performance cost. code is not given access to excessive capabilities. We answer this question affirmatively.

C++ 61

C++ Hardware Virtualization Benchmarking 61

Alex Podelko

OCTOBER 28, 2016

This is the mainstream approach to load testing: recording communication between two tiers of the system and playing back the automatically created script (usually, of course, after proper correlation and parameterization). And, of course, there is a need to sequence and parameterize your API calls to represent a meaningful workload.

Performance Testing 100

Performance Testing Technology Technology Testing 100

Dynatrace

APRIL 2, 2024

As someone who has worked deep in the coding trenches with developers my whole life, I’ve hand-picked the top three mistakes you can make when moving to Kubernetes. Of course, you’ll return to it (or its amazing cousin, k9s) when you need to troubleshoot issues in Kubernetes, but don’t use it to manage your cluster.

Virtualization 228

Virtualization Cloud Infrastructure Code 228

Particular Software

JANUARY 5, 2021

The chances of all this communication happening effectively (or at all) are small enough that it’s virtually impossible the people on this team can all understand everything going on in a large system. When that happens, you will be much less likely to remove old code because you won’t have any idea if it’s necessary or not.

Systems 59

Systems Availability Architecture Design 59

Smashing Magazine

JUNE 30, 2021

iOS empowers developers to easily parallelize code using Grand Central Dispatch , Android does this via their new, unified task scheduler WorkManager and game engines like Unity have job systems. How long your piece of JavaScript takes to finish depends on how fast the device is that your code is running on.

Games 145

Games Architecture Code C++ 145

Particular Software

DECEMBER 9, 2019

In an era before virtualized infrastructure made allocating additional server resources much easier, Public102 became somewhat of a "junk drawer" server. From Udi Dahan's Advanced Distributed Systems Design Course , Day 1 Embrace change The only constant in the universe is change. It's not so easy with a junk drawer server.

Wireless 52

Wireless DevOps Infrastructure Network 52

KeyCDN

JULY 2, 2020

Web standards are best defined as guidelines developed by the World Wide Web Consortium W3C to promote consistency in design code which makes up a web page. Bottom-up design: The code was developed in full view of everyone who was interested. Anyone and everyone was encouraged to participate and experiment together.

Internet 56

Internet Internet Best Practices Website 56

Tasktop

APRIL 8, 2020

From virtual PE lessons and gardening to creating cleaning solutions to building Lego masterpieces, we’ve got you covered! Since the kids can’t see their grandparents we’ve been having them complete Sudoku or fun games (like filling in all the US States) virtually.”. CODE.org – Provides free online STEM courses.

Entertainment 52

Entertainment Games Software Engineering Virtualization 52

Smashing Magazine

SEPTEMBER 20, 2021

And of course, scrapers could scrape your site to look for security vulnerabilities or exposed contact or sales lead details. They all generally are instrumented as JavaScript processes that are loaded onto your site’s web pages through a tag or snippet of loader code. Turning The Data Into Information. Ad Scraping.

Website 89

Website Analytics Google Cache 89

Brendan Gregg

JULY 14, 2019

It originated as Berkeley Packet Filter (BPF), an in-kernel execution engine that processes a virtual instruction set, and has been extended (aka eBPF) for providing a safe way to extend kernel functionality. Early courses covered only the DTrace language, and expected students to figure out what to do with it.

Systems 40

Systems Performance Education Technology 40

The Morning Paper

OCTOBER 17, 2019

The Hack programming language, as the authors proudly tell us, is “ a dominant web development language across large technology firms with over 100 million lines of production code.” ” Nail that niche! Does your market get any smaller if we also require those firms to have names starting with ‘F’ ? ;).

Programming 50

Programming Social Media Media Open Source 50

Sutter's Mill

MARCH 11, 2024

Many of the most damaging recent security breaches happened to code written in MSLs (e.g., We can and do write “good” code and secure applications in C++. Note: And safety categories are of course interrelated. Log4j ) or had nothing to do with programming languages (e.g., Kubernetes Secrets stored on public GitHub repos ).

C++ 139

C++ Programming Code Java 139

Highly Scalable

FEBRUARY 2, 2012

Sometimes it is simply funny, sometimes it can be used to study VM internals without C++ code debugging, sometimes it can be leveraged for profiling and development tools. So, it is virtually possible to manually allocate and deallocate real objects, not only byte buffers. Obtaining Unsafe. allocateMemory(size); getUnsafe().copyMemory(

Java 101

Java C++ Virtualization Code 101

Adrian Cockcroft

JUNE 21, 2022

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. Paul Reithmuller was yet another imported Australian engineer who did amazing work. Nothing went wrong, I got to see some events, and got very cold at times.

Tuning 52

Tuning Benchmarking Engineering C++ 52

ACM Sigarch

FEBRUARY 23, 2018

According to the article “ When Women Stopped Coding “, the percent of women in Computer Science 30 years ago was nearly twice what it is now. Virtualization, for instance, was being addressed by IBM in the 1960s. Hence the lack of women in our field. We believed existing hardware and OS protocols protected the processor.

Architecture 47

Architecture Cache Hardware Virtualization 47

Smashing Magazine

JULY 16, 2021

Let’s progress from theoretical considerations into hands-on code. In the following code block, you see a component listing the newest problems in an online shop. Like keyboard focus, a screen reader’s output point, the so-called virtual cursor , can only be at one place at once. I’m the live region.

Strategy 141

Strategy Virtualization Government Education 141

Randon ASCII

OCTOBER 15, 2018

And, of course, this post will also cover how to detect and avoid this problem. If they used the current date and time (to millisecond or higher resolution) as part of the file name then they would get log file names that were more semantically meaningful, and could be created extremely quickly with virtually no unique-file-search logic.

Processing 57

Processing Cache Programming Virtualization 57

The Symphonia

DECEMBER 7, 2018

These artifacts are shared across functions, and so allow for code and data sharing. For this it’s probably best to lean on your language’s dependency management system, since this means you can test your code effectively in a unit-testing context. lightweight virtualization for Serverless Computing”. Step Functions ++ .

Lambda 40

Lambda Serverless AWS Blockchain 40

Dynatrace

APRIL 18, 2022

Developers want to write high-quality code and deploy it quickly. This created a classic “snowflake effect” because of the risk of code duplication: if something breaks, you need to fix it in multiple places. Ultimately, Keptn reduces code automation by 90% and makes every component SLO-driven.

Open Source 187

Open Source DevOps Cloud Metrics 187

The Agile Manager

FEBRUARY 29, 2016

A few short years ago we were content to have an automated build execute every few minutes; today we want every check-in to trigger a build that is promoted through progressively more complex tests in virtual environments managed, instantiated and torn down by scripts.

Government 40

Government Games C++ Virtualization 40

Brendan Gregg

MARCH 16, 2024

Apart from library code, maybe your application doesn't have frame pointers either, in which case everything is broken. Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway.

Java 145

Java Cache Google Hardware 145

Dynatrace

JULY 8, 2020

A container with inefficient code might affect critical workloads and practically make the whole node unusable , or worse, because of replication, it can impact the whole cluster. Of course , you might think, Kubernetes has auto-scaling capabilities so wh y should I bother about resource s ? Node and w orkload health .

Infrastructure 198

Infrastructure Monitoring Cloud Metrics 198

Dynatrace

FEBRUARY 25, 2021

Dynatrace has offered a Lambda code module for Node.js Of course, this requires a VM that provides rock-solid isolation, and in AWS Lambda, this is the Firecracker microVM. The virtual CPU is turned off. This has led to the recent release of our new Lambda monitoring extension supporting Node.js, Java, and Python.

Lambda 219

Lambda AWS Monitoring Serverless 219

Percona

MAY 15, 2023

In both cases, when using virtually-synchronous replication, the process will require certification from each node and local (by node) write; as such, the number of writes is NOT distributed across multiple nodes but duplicated. Of course, we are still talking about a low number of rows and running threads but the gain is there.

Traffic 123

Traffic Scalability Database Servers 123

HammerDB

FEBRUARY 25, 2021

To benchmark a database we introduce the concept of a Virtual User. Of course, you can prepare individual statements, however you can see major efficiency gains by using natively compiled stored procedures. So having an application client mutex lock that artificially stalls our Virtual Users does not sound good. The Python GIL.

Programming 67

Programming Benchmarking Virtualization C++ 67

The Netflix TechBlog

JANUARY 24, 2022

It’s harder to reason about the performance profile of pre-production code since we can’t gather real-time metrics for code that hasn’t yet shipped. Every test runs on a combination of devices (physical and virtual) and platform versions ( SDKs ). Why do we run Performance Tests on commits?

Performance 199

Performance Metrics Performance Testing Testing 199

Smashing Magazine

MAY 24, 2021

Of course, we can structure our CSS so we support the style variations for different contexts and containers to address the layout issue manually. In the worst-case scenario, this variation would be added with style override which would lead to code duplication and specificity issues.product-card { /* Default card style */ }.product-card--narrow

Strategy 126

Strategy Media Code Mobile 126

Tech News Gather

DECEMBER 27, 2022

Course Management. If you are looking for a top-notch education app development team, make sure it has a course management feature. It’s suitable with java virtual machine and JavaScript that offers a range of support java communication, speed, code and quality. Objective-C.

Education 52

Education Social Media Development Media 52

Testsigma

JULY 22, 2021

Then there is my love of coding and creating a little army of robots to assist me with my testing. An expert trainer, experienced teacher and a speaker on topics related to testing, automation, service virtualization, best approaches. Formulating questions, answering them, and creating ten more. Wow, that’s awesome! “

Software 97

Software Software Testing Energy 97

O'Reilly Software

FEBRUARY 11, 2020

Public cloud vendors provide a wide array of services and deployment mechanisms for your code. For example you might decide to deploy one service as a set of functions, another as a managed virtual machine, and another on a managed platform-as-as-service (PaaS) platform. Continue reading Should I use microservices?

Architecture 144

Architecture Energy Games Technology 144

IO River

NOVEMBER 2, 2023

‍Before we dive into what Terraform is, let's begin with a real-world example of how Terraform code looks and works:‍# Challenge requests coming from known Tor exit nodes.‍‍In Background‍The idea of managing infrastructure through code wasn't initiated by HashiCorp. ‍Why Manage Infrastructure by Code?‍‍If

Open Source 52

Open Source DevOps AWS Azure 52

Nick Desaulniers

APRIL 6, 2020

That doesn’t happen in kernel code; the CPU does that on its own. This is also documented in a comment at the start of early_idt_handler_common (“hardware frame” and “error code” together are the exception frame): /* * The stack is the hardware frame, an error code or zero, and the * vector number. */.

C++ 67

C++ Hardware Code Virtualization 67

O'Reilly

NOVEMBER 28, 2023

And of course, companies that don’t use AI don’t need an AI use policy. The higher percentage of users that are experimenting may reflect OpenAI’s addition of Advanced Data Analysis (formerly Code Interpreter) to ChatGPT’s repertoire of beta features. Corporate policies on AI use will be appearing and evolving over the next year. (At

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108